Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

OTC - AD Electrical and Electronic Systems > Week 3, Chapter 4 - Charging Systems > Flashcards

Week 3, Chapter 4 - Charging Systems Flashcards

1
Q

OVIP states what?

A

Ohmmeter, Voltmeter in Parallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A ‘whine’ from under the hood, with the engine running, indicates what?

A

Leaking Diode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A ‘squeal’ from under the hood, with the engine running, indicates what?

A

Belt or Pulley

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Name some of the components inside an electric voltage regulator.

A

Resistor, transister, thermistor, diodes, zener diodes, capacitors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Define a ‘solid state’

A

No moving parts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Rectification is changing ________ to ________.

A

AC, DC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

True or False?

You can use full battery voltage to charge a field.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the name for the bundle of wires within a stator?

A

Windings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False?

The Alternator warning lamp will not light up if there is overcharge.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

________ can cause longterm or permanent damage.

A

Overcharge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Insulated wires are run to the ________ side while non-insulated wires run to the ________ side.

A

Positive, Negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

True or False

An open within a field circuit will result in an absence of current.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Alternators induce voltage by rotating:

a. A magnetic field inside a fixed conductor
b. A conductor inside a magnetic field
c. A stator inside a field
d. A spring past a stator

A

a. A magnetic field inside a fixed conductor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

In an alternator, induced voltage is at its maximum value when the angle between the magnetic lines and the looped conductor is at how many degrees?

A

90

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The sine wave voltage induced across one conductor by one rotor revolution is called what?

A

Single-phase current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Alternating current in an alternator is rectified by ________.

A

Diodes

17
Q

An alternator with only one conductor and one diode would show which current output pattern?

A

Half-wave Rectification

18
Q

An alternator consists of:

a. A stator, a rotor, slip rings, brushes and diodes
b. A stator, an armature, slip rings, brushes and diodes
c. A stator, a rotor, a commutator, brushes and diodes
d. A stator, a rotor, a field relay, brushes and diodes

A

a. A stator, a rotor, slip rings, brushes and diodes

19
Q

A typical automotive alternator has how many poles?

A

8 to 14

20
Q

The three alternator conductors are wound onto a cylindrical, laminated metal piece called?

A

Stator Core

21
Q

Automotive alternators that have three conductors generally use how many diodes to rectify the output current?

A

6

22
Q

Which of the following is NOT true of the positive diodes in an alternator:

a. Connected to the insulated terminal of the battery
b. Conduct only the current moving from ground into the conductor
c. Mounted in a heat sink
d. The bias of the diodes prevent the battery from discharging

A

b: Conduct only the current moving from ground into the conductor

23
Q

A group of three or more like diodes may be called a ________.

A

Diode Bridge

24
Q

Y type stators are used in alternators that require what?

A

High voltage output at low alternator speed

25
Q

True or False?

Delta type stators have a neutral junction.

A

False

26
Q

Delta type stators are used when ________ output is needed.

A

High-Current

27
Q

Which type of circuit is a commonly used type of field circuit in automotive alternators?

A

A-Circuit

28
Q

Alternator output voltage is directly related to:

a. Field strength
b. Rotor speed
c. Both Field strength and Rotor speed
d. Neither Field strength or Rotor speed

A

c. Both Field strength and Rotor speed

29
Q

Which of the following CANNOT be used in a totally solid-state regulator:

a. Zener diodes
b. Thermistors
c. Capacitors
d. Circuit breakers

A

d. Circuit breakers

30
Q

Which component is used to smooth out any abrupt voltage surges and protect a regulator?

A

Capacitor

31
Q

Which device is used to monitor the charging system?

A

Ammeter

32
Q

Warning lamps are installed so that they will not light when:

a. The voltage on the battery side of the lamp is higher
b. Field current is flowing from the battery to the alternator
c. The voltage on both sides of the lamp is equal
d. The voltage on the resistor side of the lamp is higher

A

c. The voltage on both sides of the lamp is equal

33
Q

A voltmeter in parallel with a load device, on a live circuit, is testing ________.

A

Voltage drop

OTC - AD Electrical and Electronic Systems (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions